/// <summary>
/// Ensures a meta charset (html) or xml declaration (xml) with the current
/// encoding used.
/// </summary>
/// <remarks>
/// Ensures a meta charset (html) or xml declaration (xml) with the current
/// encoding used. This only applies with
/// <see cref="UpdateMetaCharsetElement(bool)">updateMetaCharset</see>
/// set to
/// <tt>true</tt>, otherwise this method does nothing.
/// <list type="bullet">
/// <item><description>An exsiting element gets updated with the current charset
/// </description></item>
/// <item><description>If there's no element yet it will be inserted
/// </description></item>
/// <item><description>Obsolete elements are removed
/// </description></item>
/// </list>
/// <b>Elements used:</b>
/// <list type="bullet">
/// <item><description><b>Html:</b> <i><meta charset="CHARSET"></i>
/// </description></item>
/// <item><description><b>Xml:</b> <i><?xml version="1.0" encoding="CHARSET"></i>
/// </description></item>
/// </list>
/// </remarks>
private void EnsureMetaCharsetElement()
{
if (updateMetaCharset)
{
iText.StyledXmlParser.Jsoup.Nodes.Syntax syntax = OutputSettings().Syntax();
if (syntax == iText.StyledXmlParser.Jsoup.Nodes.Syntax.html)
{
iText.StyledXmlParser.Jsoup.Nodes.Element metaCharset = Select("meta[charset]").First();
if (metaCharset != null)
{
metaCharset.Attr("charset", Charset().DisplayName());
}
else
{
iText.StyledXmlParser.Jsoup.Nodes.Element head = Head();
if (head != null)
{
head.AppendElement("meta").Attr("charset", Charset().DisplayName());
}
}
// Remove obsolete elements
Select("meta[name=charset]").Remove();
}
else
{
if (syntax == iText.StyledXmlParser.Jsoup.Nodes.Syntax.xml)
{
iText.StyledXmlParser.Jsoup.Nodes.Node node = ChildNodes()[0];
if (node is XmlDeclaration)
{
XmlDeclaration decl = (XmlDeclaration)node;
if (decl.Name().Equals("xml"))
{
decl.Attr("encoding", Charset().DisplayName());
String version = decl.Attr("version");
if (version != null)
{
decl.Attr("version", "1.0");
}
}
else
{
decl = new XmlDeclaration("xml", baseUri, false);
decl.Attr("version", "1.0");
decl.Attr("encoding", Charset().DisplayName());
PrependChild(decl);
}
}
else
{
XmlDeclaration decl = new XmlDeclaration("xml", baseUri, false);
decl.Attr("version", "1.0");
decl.Attr("encoding", Charset().DisplayName());
PrependChild(decl);
}
}
}
}
}
/// <summary>Set the document's output syntax.</summary>
/// <remarks>
/// Set the document's output syntax. Either
/// <c>html</c>
/// , with empty tags and boolean attributes (etc), or
/// <c>xml</c>
/// , with self-closing tags.
/// </remarks>
/// <param name="syntax">serialization syntax</param>
/// <returns>the document's output settings, for chaining</returns>
public virtual iText.StyledXmlParser.Jsoup.Nodes.OutputSettings Syntax(iText.StyledXmlParser.Jsoup.Nodes.Syntax
syntax)
{
this.syntax = syntax;
return(this);
}
